| Abbreviation | Definition |
|---|---|
| GLC | Glucose |
| GMB | Genetics and Molecular Biology |
| GMBD | Genetics and Molecular Biology Division |
| GMGM | Gigantic Muscular Great Man |
| GMO | Genetically Modified Organisms |
| GMOP | Genetically Modified Organism Project |
| GNID | Gram-Negative Intracellular Diplococci |
| GOB | General Organic and Biological |
| GOMF | Gene Ontology Molecular Function |
| GPCR | G protein-coupled receptors |
| GPCR | G-protein-coupled receptor |
| GPLR | G protein-linked receptors |
| GRIRDM | Guidelines for Research Involving Recombinant DNA Molecules |
| GRTC | Glycobiology Research and Training Center |
| GSBS | Georgia Southern Biological Survey |
| GSI | Genetic Stock Identification |
| GTMB | Gene Therapy and Molecular Biology |
| GTMB | Gene Therapy Molecular Biology |
| GWH | Great White Heron |
| HB | Heterorhabditis Bacteriophora |